moving (not copying) nodes using pugixml and rapidxml

I am looking for an XML library that supports a DOM interface. Performance is important for me so I was currently looking at rapidxml and also pugixml.

The thing is that my application needs to modify the DOM tree, including moving nodes. And I cannot see a direct way of doing this (neither with rapidxml nor with pugixml). It seems I need to copy/clone the nodes, which could lead to lots of copy operations if the subtree I want to move is quite deep.

Is there a more efficient way of doing this (either with rapidxml or with pugixml) (e.g. swapping the pointers, etc.)? If not, is there any other lightweight library that allows doing this?

Thanks!